(2R,5S,6E,9R,10E,12E)-9-(tert-butyldimethylsilyloxy)-1-(3,4-dimethoxybenzyloxy)-5-hydroxy-13-bromo-2,7-dimethyl-trideca-6,10,12-trien-3-one

(E)-(1S,2S,5R,9S,11S,12R,13S)-5-((1E,3E)-4-Bromo-buta-1,3-dienyl)-1,13-dihydroxy-9-methoxy-2,7,12-trimethyl-4,15-dioxa-bicyclo[9.3.1]pentadec-7-en-3-one

(2R,3S,5S,6E,9R,10E,12E)-(2R,3S,5R,9R)-9-(tert-butyldimethylsilyloxy)-13-bromo-5-methoxy-2,7-dimethyl-3-triethylsilyloxy-trideca-6,10,12-trienol

2-[6-[10-bromo-6-(tert-butyldimethylsilyloxy)-2-methoxy-4-methyl-deca-3,7,9-trienyl]-4-(tert-butyldimethylsilyloxy)-2-methoxy-5-methyl-tetrahydro-pyran-2-yl]propan-1-ol

6-[10-bromo-6-(tert-butyldimethylsilyloxy)-2-methoxy-4-methyl-deca-3,7,9-trienyl]-4-(tert-butyldimethylsilyloxy)-2-[2-(3,4-dimethoxybenzyloxy)-1-methyl-ethyl]-2-methoxy-5-methyl-tetrahydro-pyran

3'-tert-butyldimethylsilyloxy-dolastatin 19

(2R,3S,5S,6E,9R,10E,12E)-9-(tert-butyldimethylsilyloxy)-1-(3,4-dimethoxybenzyloxy)-5-methoxy-13-bromo-2,7-dimethyl-3-triethylsilyloxy-trideca-6,10,12-triene